Answer / m.shoaib

Isolator is divise for energiz and disenergize of circuit and circuit breaker is divise for on load triping

Answer / ashokkumar

Isolator is opens the supply line at both ends (In and out
terminals)so the supply line is disconnected at both ends
MCB is open at one side only

__ \__ ----o / o----
In out
MCB Isolator when it opens

Answer / gaurav

Isolator means for two one phase & one neutral & mcb stands
for only one phase.

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